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Simplifying 42 = 2.80n Solving 42 = 2.80n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2.80n' to each side of the equation. 42 + -2.80n = 2.80n + -2.80n Combine like terms: 2.80n + -2.80n = 0.00 42 + -2.80n = 0.00 Add '-42' to each side of the equation. 42 + -42 + -2.80n = 0.00 + -42 Combine like terms: 42 + -42 = 0 0 + -2.80n = 0.00 + -42 -2.80n = 0.00 + -42 Combine like terms: 0.00 + -42 = -42 -2.80n = -42 Divide each side by '-2.80'. n = 15 Simplifying n = 15
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